Add ContextMenu support upstream for Android

ui/android/java/src/org/chromium/ui/Clipboard.java

Index: ui/android/java/src/org/chromium/ui/Clipboard.java
diff --git a/ui/android/java/src/org/chromium/ui/Clipboard.java b/ui/android/java/src/org/chromium/ui/Clipboard.java
index b4e0c21c9a9c03c147e4525ee7ba3e36c33cabf9..058053375b2588eaca568f9df850c7993b483e18 100644
--- a/ui/android/java/src/org/chromium/ui/Clipboard.java
+++ b/ui/android/java/src/org/chromium/ui/Clipboard.java
@@ -30,7 +30,7 @@ public class Clipboard {
      *
      * @param context for accessing the clipboard
      */
-    private Clipboard(final Context context) {
+    public Clipboard(final Context context) {
         mContext = context;
         mClipboardManager = (ClipboardManager)
                 context.getSystemService(Context.CLIPBOARD_SERVICE);
@@ -82,12 +82,41 @@ public class Clipboard {
      * clipboard's current primary clip to a plain-text clip that consists of
      * the specified string.
      *
+     * @param label will become the label of the clipboard's primary clip
+     * @param text  will become the content of the clipboard's primary clip
+     */
+    public void setText(final String label, final String text) {
+        mClipboardManager.setPrimaryClip(ClipData.newPlainText(label, text));

[Ted C, 2013/11/19 02:44:03]

For all these setPrimaryClip calls, it's probably best to wrap them in a generic
Exception block to handle issues with the clipboard manager implementations on
various android versions.

Link to a discussion about it in the past:
http://developer.samsung.com/forum/board/thread/view.do?boardName=GeneralB&me...

If this happens, we should probably just show a toast with a generic exception
(we do it somewhere else but I can't recall off the top of my head).

[David Trainor- moved to gerrit, 2013/11/25 19:42:50]

Done.

+    }
+
+    /**
+     * Emulates the behavior of the now-deprecated
+     * {@link android.text.ClipboardManager#setText(CharSequence)}, setting the
+     * clipboard's current primary clip to a plain-text clip that consists of
+     * the specified string.
+     *
      * @param text will become the content of the clipboard's primary clip
      */
     @SuppressWarnings("javadoc")
     @CalledByNative
     private void setText(final String text) {
-        mClipboardManager.setPrimaryClip(ClipData.newPlainText(null, text));
+        setText(null, text);
+    }
+
+    /**
+     * Writes HTML to the clipboard, together with a plain-text representation
+     * of that very data. This API is only available in Android JellyBean+ and
+     * will be a no-operation in older versions.
+     *
+     * @param html  The HTML content to be pasted to the clipboard.
+     * @param label The Plain-text label for the HTML content.
+     * @param text  Plain-text representation of the HTML content.
+     */
+    public void setHTMLText(final String html, final String label, final String text) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+            mClipboardManager.setPrimaryClip(
+                    ClipData.newHtmlText(label, text, html));
+        }
     }
 
     /**
@@ -100,10 +129,7 @@ public class Clipboard {
      */
     @CalledByNative
     private void setHTMLText(final String html, final String text) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
-            mClipboardManager.setPrimaryClip(
-                    ClipData.newHtmlText(null, text, html));
-        }
+        setHTMLText(html, null, text);
     }
 
     /**